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Ubuntu Server Essentials by Abdelmonam Kouka

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Filters and security for an e-mail server

Today, Unsolicited Bulk Email (UBE) represents one of the largest problems for e-mail servers. Also known as spam, such messages may also carry viruses and other forms of malware. To handle this issue, there are a lot of powerful utilities that can be installed on an Ubuntu Server and integrated with an e-mail server. The following is a list of the best utilities:

  • Amavisd-new is a generic scanner program. Its role is to call a certain number of content filtering tools such as antivirus, spam detection, and so on. You can install it by using the following command:
    sudo apt-get install amavisd-new.
    

    To configure it, you have to first of all activate antivirus and anti-spam detection in Amavisd-new by editing ...

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